body{
overflow-x: hidden;
overflow-y: hidden;

.head{
    height: 50px;
    width: 100%;
}
.main{
    height: 100%;
    width: 100%;
    background: url(../../assets//imgs/advertisement-bg.jpg) no-repeat center;
    background-size: cover;
    position: relative;
    .ad_tm{
        position: absolute;
        height: 40px;
        width: 105px;
        background: white;
        border: 1px solid rgba(187, 187, 187, 1);
        border-radius: 20px;
        right: 14px;
        top: 20px;
        .time{
            height: 30px;
            width: 40px;
            border-right: 1px solid rgba(187, 187, 187, 1);
        }
        .tiaoguo{
            height: 30px;
            width: 55px;
        }
    }
    .donghua{
        position: absolute;
        width: 280px;
        font-size: 36px;
        color: white;
        top: 80%;
        left: 20%;
    } 
}
}